闸

Valve:(dark-parallel) 1 - wedge-shaped gate valve; 2 - sleeve nut; 3 - Valve; 4 - stem; 5 - valve cover; 6 - Thrust Convex shoulder; 7 - Packing letter flange; 8 - packing; 9 - Packing Gland, 10 - hand wheel; 11 - valve cover pad.

闸阀：1--楔形闸瓣；2--套筒螺母；3--阀体；4--阀杆；5--阀盖；6--止推凸肩；7--填料函法兰；8--填料；9—填料压盖；10--手轮；11--阀盖垫。

In this article, on the basis of hydraulic model test, there is a study on the discharge coefficient of outflow under sluice for the upward circle gate with middle hinge in a pumping and sluice station.

本文通过水工模型试验，对某泵闸工程的中铰上翻闸门进行了闸孔出流的流量系数研究。

A low pressure accumulator accumulator nitrogen standard atmospheric pressure of the 7MP. Its main role is to set up a pre-press to ensure that the fuel tank valve 13 to hydraulic cylinders in the main action, and to ensure that reversing valve and main valve between the rapidly reversing.

蓄能器氮气压力不足蓄能器的标准气压为7MP。，其主要作用是建立一个预压，以保证闸阀油缸13先于主液压缸动作，并保证闸阀换向间和主换向阀迅速换向。

At first, the article introduces the method to test the equivalent mass, the static moment of resistance, and the braking deceleration of the brake system and to examine the speed and the force of the hoisting system. According to the detecting method that the author put forwards, the parameters such as the brake torque, the time of idle motion, the brake distance and so on can be obtained.

文章首先介绍了提升机闸控系统的变位质量、静阻力矩、制动减速度以及提升系统的运行速度、拖动力的测试方法，然后依据作者提出的检测方法，得到闸控系统的制动力矩、空动时间和制动运行距离等参数。

The drift and jitter of the output pulse are important parameters of the stability.The experiments and analyses based on homemade VE-4073 thyratron show that the combined effects of DC heating thyratron and two-pulse triggering technique can greatly reduce the drift and jitter of the pulser output.

利用国产VE-4073氢闸管进行了分析和实验研究，通过采用直流加热氢闸管灯丝和氢储存器，以及精确、稳定的双脉冲触发技术，大幅减小了开关脉冲发生器触发延时的抖动和漂移，48 h内开关脉冲发生器输出漂移仅6.1 ns。

The socket structure is provided with a zero phase trigger control unit, through the photoelectric sensing element of the unit, optical coupling can be performed to generate zero phase trigger, and the opening or the closing of a two-way thyratron in the zero phase can be accurately controlled, therefore, an electric device inserted on an output socket can be started or stopped from the zero phase, in order to reduce the electromagnetic interference and prolong the service life of the electric device, the use efficiency of the electric device can be enhanced, the power supply thereof can be saved, filtering and rectifying can be performed through a current switching unit when the alternating current power supply passes through a filtering and rectifying circuit, the noise caused by external interference and affect can be filtered, and the power supply can be respectively transmitted to a current detecting socket and the input end of the current switching unit to be detected through a temperature sensor arranged on the current switching unit.

本实用新型为有关一种插座结构，尤指为设有零相位触发控制单元，可通过其光电感测元件来进行光耦合而产生零相位的触发，且可准确控制双向闸流阀在零相位的开启或者关闭，进而达到插置于输出插座上的电器装置从零相位开始启动或者关闭，以降低电磁干扰而延长电器装置使用寿命，且可提升电器装置的使用效率及节省电源，并通过电流转换单元于交流电源通过滤波整流电路进行滤波整流，可滤除外部所干扰影响的杂讯，并分别传送至电流侦测插座及电流转换单元的输入端，而可通过电流转换单元所设置的温度感应器来进行侦测，于电路温度升高时，温度感应器可进行切断双向闸流阀的电源输出而达到保护输出插座上所插设的电器设备。

Analyzed errors of auto-reclosing synchronization and offered the countermeasure for the errors; analyzed the misoperation reason of the high-voltage line microcomputer reclosing device and discovered the root of errors and put forward three solutions; compared the three methods and selected the best one to run in practice.

论文对自动重合闸检同期所存在的误区进行了分析与研究，为走出误区提供了对策；对高压输电线路微机重合闸装置所出现的误动作原因进行了分析研究，找到了问题的根源，提出了三种解决问题的方法，并对每种方法的利弊进行了比较，选取最优方案投入现场运行。

Based on the shaft partial energy function of the turbine\|generator shaft torsional oscillation.

利用表征重合闸操作影响发电机轴系扭振幅度的等值能量函数，导出了瞬时性故障与永久性故障下重合闸操作对轴系冲击最小的理想重合时刻。

Based on the whole trip-reclosure process and considered the two important targets,the stability of power system and the shaft torsional oscillation of generators,a scheme of optimal trip-reclosure process were all proposed.

针对输电线路继电保护跳闸—重合闸电气操作全过程，综合考虑电力系统稳定性和发电机轴系扭振两项指标，提出了最佳跳闸—重合闸过程。

This paper designs TCR TSC SVC controller based on non affined nonlinear model .

对由晶闸管控制电抗器型装置与多个晶闸管开关电容器型装置组成的静止无功补偿系统建立了一个新的非仿射非线性模型。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。